Huge news for Doctor Who fans: DMP 1 & 3 found! https://www.bbc.com/news/articles/c4g7kwq1k11o
Brendan Gregg
- 3.3K Followers
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- 52 Posts
Makes things faster. Industry expert in computing performance and eBPF. Intel Fellow; ex-Netflix. Creator of flame graphs. Australian. Opinions my own.
new post: Why I joined OpenAI https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
New post: Leaving Intel https://www.brendangregg.com/blog/2025-12-05/leaving-intel.html
new post: When to Hire a Computer Performance Engineering Team (2025) part 1 of 2 https://www.brendangregg.com/blog/2025-08-04/when-to-hire-a-computer-performance-engineering-team-2025-part1.html
new blog post: 3 Years of Extremely Remote Work https://www.brendangregg.com/blog/2025-05-22/3-years-of-extremely-remote-work.html
New blog post: Doom GPU Flame Graphs, a fun demo of AI/GPU Flame Graphs and FlameScope, now open source https://www.brendangregg.com/blog/2025-05-01/doom-gpu-flame-graphs.html
My website is back online http://www.brendangregg.com/ after migrating to a different provider (and https should work again), let me know if something still looks broken, thanks
My website is online as http at http://www.brendangregg.com/ , but I just broke https links, sorry. If you delete the "s" then links will work.
@adrianco Thanks, haven't tried that yet, have a lot of things to try. Depends if some SW is used for that interconnect traffic, if it's just load/store instructions then at least you might see different amounts/types of stalls.
AI Flame Graphs: Showing what's actually running on the HW and how we got there. Uses Intel EU stall profiling and eBPF. https://www.brendangregg.com/blog/2024-10-29/ai-flame-graphs.html
